Home / 123,043.20-184,564.80-122,265.60

Finding the Fourth Proportional to 123,043.20, 184,564.80 and 122,265.60

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Solution

The fourth proportional to 123,043.20, 184,564.80 and 122,265.60 is: 183,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,043.20 : 184,564.80 = 122,265.60 : x
  2. Step 2: Convert to fraction form
    123,043.20/184,564.80 = 122,265.60/x
  3. Step 3: Cross multiply
    123,043.20x = 184,564.80 × 122,265.60
  4. Step 4: Simplify right side
    123,043.20x = 22,565,926,010.88
  5. Step 5: Solve for x
    x = 22,565,926,010.88/123,043.20
  6. Step 6: Final answer
    x = 183,398.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.